Use mental math to solve the following...
22 + 46 + 4
72
100
Round the whole number to the thousands place
59,304
59,000
100
Estimate the sum 8.1 + 3.8
12
100
Add the following... 4.298 + 0.65
4.948
100
Lisa has a basket of 17 tomatoes. She makes sauce with 9 tomatoes. If Lisa wants to split up the rest between 3 friends and herself, how many tomatoes does each person get?
2 tomatoes each
200
Use mental math to solve the following...
96 + 73 + 4
173
200
Round the whole number to the millions place
684,301,605
200
Estimate the sum 67.9 + 81.34
149
200
Add the following... 0.0868 + 15.973
16.0598
200
There are about 44,000 farms in Florida and about 38,000 farms in New York. Are the total number of estimated farms in Florida and New York greater or less than 100,000?
Less than (82,000)
300
Use mental math to solve the following...
101 + 17 + 99
217
300
Round the whole number to the tenths place
36.54
36.5
300
Estimate the sum $9.10 + $48.53 + $5.99
$64.00
300
Juan adds the numbers 3.8 and 4.6 and gets a sum of 84. Is he correct? If not, what did he do wrong?
Juan is incorrect. He didn't bring down the decimal in his answer.
300
Nate has a $5 bill and a $10 bill. He spends $2.50 for a smoothie and $2 for a muffin. How much money does he have left?
$10.50
400
Use mental math to solve the following...
453 - 98
355
400
Round the whole number to the hundreds place
49.999
0
400
Martha cycled 11 miles each day on Saturday and Monday and 17 miles each day on Tuesday and Thursday. Estimate how many miles she cycled in all.
60 miles
400
Subtract the following... $43.80 - $21.16
$22.64
400
Ellis saved $30 in July, $21 in August, and $50 in September. He spent $18 on movies and $26 on gas. How much money does Ellis have left?
$57.00
500
Use mental math to solve the following...
On three different days, Sue earned $27, $33, and $49. She needs to earn $100 to buy a desk for her computer. If she buys the desk, how much money does she have left over?
$9
500
An African Watusi's horn measures 95.25 cm around. What is 95.25 when rounded to the nearest tenth? Nearest whole number? Nearest ten?
95.3, 95, 100
500
Golden Gate Park is located in San Francisco, CA. The park covers 1,017 acres and has been compared to the size and shape of Central Park in New York City. Central Park covers 843 acres. About how many more acres does Golden Gate Park cover than Central Park?
200 acres
500
An average person's upper leg measures 19.88 in. and the lower leg measures 16.94 in. How much longer is the upper leg than the lower leg?
2.94 in.
500
At the craft festival, Tuan spent $12 for food and $6 for a straw hat. Tuan has $4 left after spending this money. How much money did Tuan begin with?